And now a new warning about something you may do in your car thinking it's safe. Instead of texti while driving, some people talk on hands-free devices and send messages while driving. Well, now, a new study out has advice for everyone on the road, and here's abc's paula faris. Reporter: We've shown how distracted driving can be. Whether with your kids in the back seat -- or, phone in hand. When I took my eyes off the highway for just over two seconds, I traveled half the length of a football field. And while you might think using your phone's voice to text feature is making your ride safer, a new study, out today, suggests it's just as dangerous as manuaing. In fact, this first of its kind research, a small study of 45 drivers, claims that driver performance slows down when you text. Whether it's manual or voice to text. This report clearly shows you're in just as much danger if you're using a voice-driven way to text as if you're sitting there in the driver's seat, typing away with your thumbs. Reporter: Texting has been shown to increase your chances of crashing by 23%. And so the consumer is now driving auto makers to install technology they assume makes the car safer, into their being -- vehicles. Like voice to text. If the consumer believes the technology in their vehicle makes them safer, that's on them. That's not on the message that they're hearing from the automaker. I think they're getting mixed signals from the auto makers. None of the auto makers would say this is safe, go out and use it, but it is an implication and -- Reporter: As of today, the department much transportation is issuing new guidelines to the auto makers, encouraging them to limit any sort of electronic distraction that would take the drivers' eyes off the road. What's the solution for driving and texting. Not doing it.

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